Concrete tie.



N. P.V FRANDSEN.

CONCRETE TIE.. APPLIUATIOH FILED 0012s, 1006.

Patented Feb. 16, 1909.

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.N. P. PRANDSBN.

. Patented Feb. 16, 1909.

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NIELS FRANDSEN, OF CHICAGO, ILLINOIS.

CONCRETE TIE.

Specification of Letters Patent.

.Patented Feb. 16,11909.

Application filed October 25, 1906. Serial No. 340,599.

To' all whom it may concern.'

the portion oi the tie Beit known that l, N IELs P. FRANDSEN, a citizen of :the United States, residing at Chicago, in the county of Cook and State of Ilhnois, have invented a certain new and useful Improvement in Concrete Ties, of which the following is a full, clear, concise, and exact description, reference being had to the accompanying` drawings, forming a part of this specification.

My 'inventlon relates to concrete ties for use upon railroads. j A

` The principal object of the invention is to provide a slm le, practical, eilective and urable form o concrete tie. In the accompanying drawing, Figure 1 is a plan view of a tie embodying my invention, with sections oi railroad rails resting upon same; Fig. 2 is a similar view but without the rails and the device for attachin the rails to the tie; Fig. 3 is an elevation o the arrangement shown Fig. 1; Fig. 4 is an velevation on an enlarged scale ofthe rail and devices for attaching the same to one end of the tie; Fig. 5 is a sirnilall view of the devices for attaching the rail to the other end of the tie; and Figs. 6 and 7 are views of detailsused in Figs. 4 and 5, respectively'.

Referring to the drawings, I have shown a concrete` tie 1 upon which are mounted railroad rails 2, 2l The tie is made of concrete with longitudinally extending strengthening bars 3, 3 and transverseljr disposed stren thening ban-r 4, 4, the latter being dispose in upon which the rails rest.

One end of the tie is rovided with a air of longitudinally exten ing slots 5, 5 -W ich are formedin the tie when the same is built. The slots are preferably staggered with reference to one another. '.'gfxhese slots 5, 5 receive expansible bolt sleeves 6, 6 (Fig. 5) containing bolts 7, 7 and made automatically expansible by said bolts. Asa convenient construction, these sleeves are made 'with longitudinal slots 8 (Fig'. 7) and of smoothbore larger than the diameter of the bolt so that the bolts move readily within them. The lower ends of the sleeves are proyvided with wedge members 9 adapted .to t between the sides of the .sleeves and into a wedge sha d recess formedat the lower end thereof. wedge member 9 is Athreaded so as to receivelthe lower end of t e bolt 7 4site ends of a and engage the same. The outsides cf thc sleeves 6 are provided with points or proj ections so as to hold in the concrete. A nut locking device in the form of a split ring 10 with bent ends is provided for locking the head of the bolts. The bolts 7, 7 pass through clips 1.1 having overhangingportions 12 adapted to engage the sides oi the rail. These clips are arranged to rest upon the concrete ties and edges of the rails and qby passing the bolts 7, 7 through them and then screwing the bolts so that they expand the sleeve 6, 6 the clips 11 are caused to grip the rail firmly and hold it securely in position u on the tie. As a referred arrangement, I ave shown a woodln bottom or board 14 interposed betweenthe rail and the ticI to give elasticity-to the rail. It will be observed that in this arrangement the rail can be adjusted laterally by adjusting the bolts in their slots 5, 5. The sleeves 6, with their bolts 7 are assembled before being sent out, so that all that is necessary is to place the clips in place, then put the sleeves 6, 6 into the slots 5, 5 and turn the bolts 7, 7 so as to expand the sleeves 6, 6. At the other end of the tie holders 15, 15 (Figs. 4 and 6) are ein; bedded in the ties when the saine are made. These holders are conveniently in the form of tubular devices internally threaded and having side projections 16, 16 to engage and hold them firmly in the concrete. Clips 11, 11 and lag screws 7, 7, with locking devices 10. 10 are used on this side of the tie also, the lag screws being passed down through the chps 11, 11 int the holders or. sockets 15, 15. Thus the rail is secured at one. side by bolts engaged by sockets rmly embedded in the concrete rails; on the other side it is held by bolts capable of a small amount ot' movement crosswise of the rail, that is, lengthwise of the tie. This ermits proper adjustment of the rails upon the tries and also permits the same ties to be used for slightly different Widths of rails and for rails separated diilerent distances apart, and also ro vides for a small movement of the rails fldr proper adjustnient. Thus the rails are capable of the requisite adjustment, and at the same time,

are so iirmly held as to prevent spreading absolutely. As a preferred arrangement,

alternate ties are reversedin this respect.

That is to say the slots 5, 5 will be at oppod'acent ties.'

It will be understood that changes and modications can be made without departing from the spirit of the invention. .f

YaT/hat I claim is: 1. ,A tie of the class splecifled, having one of its ends provided Wit embedded socket vmembers and its othenend provided with slots in combination With bolts adapted to be fitted into said socket members and to engage said slots.

2. A tie of the class speciied, having one of its ends provided with socket members,

and its other end provided with slots.

8. A tie of the class specified, having one of its nds provided with threaded sockets and its other end with slots in combination with tie engaging clips and bolts adapted to engage said threaded sockets, and expansible sleeves adapted to engage said slots.

' 4. A tie` of the class specified,- provided With slots in combination with rail engaging clips and expansible sleeves adapted to en gage said slots and arranged to be expansible by bolts passing through said clips.

5. A tie' ofthe class specied,having slots,

rail engaging clips, bolts passed through said clips, 'and expansible .sleeves iitted in said slots and provided with threaded Wedge 'shaped members adapted to engage said* bolts and thereby expand said sleeves.

Int` Witness whereof, I herf'unto subscribe my name this 3d yday of October, A. D. 

